Students from a university won a national science fair with their environmental project

A hospital hired more nurses to reduce patient to nurse ratiosA national park reported an increase in the number of endangered species spotted this year

A clothing store started offering free alterations for customers who buy clothes in storeA city launched a campaign to reduce litter in public areasA research team discovered a new species of marine life in the ocean

A bookstore started a program to donate books to prisons and detention centersA farm began using organic farming methods to grow its crops

A museum hosted a workshop on pottery making for adults

A gym offered family memberships at a discounted rate to encourage family fitnessThe government invested $500 million in building new solar power plants in desert regions

A toy company released a new line of building sets designed to teach kids about engineeringA community held a cultural festival featuring traditional dances music and food from different countries

Researchers found that air pollution can worsen asthma symptoms in children and adultsThe transportation ministry added more security personnel to public transit stations to improve safety

(责任编辑：王铮亮)